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0;accent-color:var(--teal);min-height:22px}input[type=checkbox]{accent-color:var(--teal);width:16px;height:16px;margin:0}.toggle{display:flex;align-items:center;gap:8px;font-size:12px;margin:14px 0}.direction{display:grid;grid-template-columns:1fr 1fr;gap:7px;border:0;margin:0 0 18px;padding:0}.direction legend{font-size:13px;font-weight:600;margin-bottom:8px;padding:0}.experiment{min-width:0}.equation{font:22px/1.5 Georgia,'Times New Roman',serif;color:#136d75;margin:0 0 18px;overflow-wrap:anywhere}.figure-head,.section-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:10px;margin:0 0 10px}.figure-head span,.section-head span{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}canvas{display:block;width:100%;touch-action:pan-y}#snapshot{height:320px;background:#f6f9fa;cursor:crosshair}#history{height:245px;cursor:crosshair}#spacetime{height:370px;cursor:crosshair}.legend{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:11px;line-height:1.7;color:var(--muted);padding-top:9px}.legend span:before{content:'';display:inline-block;width:14px;height:3px;background:#aebdc0;margin:0 5px 3px 0}.legend .wave-key:before{background:var(--teal)}.legend .initial-key:before{background:#b6c7cd}.legend .probe-key:before{background:var(--coral)}.legend .crest-key:before{background:var(--gold)}.scrub{display:grid;grid-template-columns:auto minmax(0,1fr) 75px;align-items:center;gap:12px;font-size:13px;margin:12px 0 0}.scrub input{accent-color:var(--coral)}.scrub output{font-variant-numeric:tabular-nums;text-align:right}.caption{font-size:13px;line-height:1.6;color:var(--muted);margin:10px 0 18px}.readouts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:14px 0;border-block:1px solid var(--line);margin-top:10px}.readouts dl{margin:0;min-width:0}.readouts dt{font-size:12px;line-height:1.5;color:var(--muted)}.readouts dd{margin:6px 0 0;font-size:21px;line-height:1.35;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.field-band,.guide{border-top:1px solid var(--line);margin-top:28px;padding-top:24px}.field-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(230px,1fr);gap:28px}.field-layout>div{min-width:0}.phase-details{padding:12px 0 0}.phase-details dl{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:13px 12px;font-size:13px;margin:18px 0}.phase-details dt{color:var(--muted);line-height:1.5}.phase-details dd{margin:0;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;line-height:1.5}.formula{font:18px/1.6 Georgia,'Times New Roman',serif;color:#126d74;overflow-wrap:anywhere}.color-key{display:flex;align-items:center;gap:12px;font-size:11px;margin-left:55px}.color-scale{height:8px;width:140px;background:linear-gradient(to right,#cc7765,#fff,#4796ad)}.guide>h2{margin-bottom:20px}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 42px}.guide 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